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Crepidium pectinatum

Crepidium pectinatum

Crepidium pectinatum (J.J.Sm.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 130

Type: Bogor cult. (Exp. Lorentz, Djibdja 434) s.n. (holo BO)


  • Microstylis pectinata J.J.Sm., Bull. Dép. Agric. Indes Néerl. 19 (1908) 29
  • Malaxis pectinata (J.J.Sm.) P.F.Hunt, Kew Bull. 24 (1970) 83

Stem elongated, slightly compressed, more or less, 5-13 cm long, c. 3-5-leaved. Leaves petiolate, obliquely ovate-lanceolate, acuminate, acute, slightly undulate, with five nerves grooved above, keeled underneath, above between the nerves convex, 5-9.5 cm long, 2-3 cm wide; petiole channelled, 5-angular, including the short tubular sheath 1.5-3 cm long. Inflorescence erect, at the apex nodding, laxly many-flowered; peduncle winged-angular, c. 10 cm long, with bract-like, more or less patent scales; rachis c. 12 cm long or more. Floral bracts reflexed, lanceolate-triangular, acute, concave, 0.4 cm long. Flowers 0.75 cm wide, 0.9 cm long. Median sepal pointing downwards, oblong, obtuse, convex, 0.5 cm long, 0.23 cm wide. Lateral sepals erect, broadly obliquely ovate, broadly obtuse or subobtuse, strongly convex, 0.4 cm long, 0.3 cm wide. Petals divergent, slightly recurved, obliquely lanceolate-linear, slightly spathulate, obtuse, convex, 1-nerved, 0.4 cm long, 0.13 cm wide. Lip rather shortly auriculate, in outline suborbicular, 0.65 cm long and wide, in front on either side split into 4 long, subulate, falcate, about equally long, 0.2 cm long teeth, mid-lobe about as long as the teeth, in outline broadly ovate, irregularly acutely bidentate, 0.17 cm long, 0.2 cm wide; basal pit triangular, upper margins slightly crescent-shaped-swollen; auricles shorter than the blade, parallel, broadly triangular, subobtuse, convex, 0.2 cm long. Column short, dorsally compressed, at the apex dilated, 0.08 cm long, auricles wide, obtuse, horizontal; rostellum bidentate. Anther transversely ovate-elliptic. Pollinia 4, in united into obovoid bodies. Ovary pedicellate, , 6-winged-angular, 1.3 cm long. (After Smith, 1909)

Stem more or less tinged purple. Leaves dark purple-green, underneath purple, petiole purple. Rachis pale green, angles purple. Floral bracts green. Flowers dull purple; lateral sepals with pale green longitudinal lines; lip with a shiny, green pit. Column green, rostellum with purple margins, anther dark purple-green with white margins; pollinia yellow. Ovary pale green.

Terrestrial in lowland forest.

Malesia (New Guinea), Solomon Islands.

Papua (Indonesia). See map

distribution in New Guinea

Warm growing terrestrial, requires shaded position.

Not known (described from cultivated specimen).

  • Smith, J.J., Nova Guinea 8, 1 (1909) 33, t. 11, fig. 33, as Microstylis pectinata J.J.Sm.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Malaxideae
  • Genus Crepidium
  • Section Crepidium
  • Species Crepidium pectinatum

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Crepidium pectinatum

overview picture

Crepidium pectinatum

Crepidium pectinatum (J.J.Sm.) Szlach. (as Microstylis pectinata J.J.Sm.), floral analysis, drawing J.J. Smith, based on Bogor cult. (Exp. Lorentz, Djibdja 434) s.n.

Crepidium pectinatum

Crepidium pectinatum (J.J.Sm.) Szlach.Microstylis pectinata J.J.Sm.), floral analysis, drawing J.J. Smith, based on Branderhorst 86

Crepidium pectinatum

Crepidium pectinatum (J.J.Sm.) Szlach.Microstylis pectinata J.J.Sm.), floral analysis, drawing J.J. Smith, based on Janowsky 145